code: def forward(self, x):
      identity = x
      out = self.bn1(x)
      out = self.conv1(out)
      out = self.bn2(out)
      out = self.prelu(out)
      out = self.conv2(out)
      out = self.bn3(out)
      if self.downsample is not None:
          identity = self.downsample(x)
      out += identity
      return out
  
file_path: insightface/recognition/vpl/backbones/iresnet.py
imports: import torch
  from torch import nn
label_desc: Use image node_id 2 for calling the IBasicBlock obj's underlying member method code with example usage: obj.forward(x) and returns: out